Detailed Product Description Immersion gold circuit pcb, pcb & pcba,multilay pcbOur product developed most recently is lower priced than the competition. Reference - Our Production Capability for Rigid PCB: 1) Layer: 1, 2,multilayer2) Board finished thickness: 10%3) Material: FR-4, CEM-1,CEM-3, High TG, FR4 Halogen Free,FR-1,FR-24) Max. finished board size: 1500mmx500mm 5) Min. drilled hole size: ...